FR2465026B1 - - Google Patents

Info

Publication number
FR2465026B1
FR2465026B1 FR8019697A FR8019697A FR2465026B1 FR 2465026 B1 FR2465026 B1 FR 2465026B1 FR 8019697 A FR8019697 A FR 8019697A FR 8019697 A FR8019697 A FR 8019697A FR 2465026 B1 FR2465026 B1 FR 2465026B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8019697A
Other languages
French (fr)
Other versions
FR2465026A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mo och Domsjo AB filed Critical Mo och Domsjo AB
Publication of FR2465026A1 publication Critical patent/FR2465026A1/fr
Application granted granted Critical
Publication of FR2465026B1 publication Critical patent/FR2465026B1/fr
Granted legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
FR8019697A 1979-09-12 1980-09-12 Procede pour reduire la teneur en resine pendant la preparation de pates de cellulose provenant de matieres lignocellulosiques et appareil pour sa mise en oeuvre Granted FR2465026A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7907557A SE418628B (sv) 1979-09-12 1979-09-12 Forfarande for hartshaltsminskning vid framstellning av cellulosamassor ur lignocellulosamaterial

Publications (2)

Publication Number Publication Date
FR2465026A1 FR2465026A1 (fr) 1981-03-20
FR2465026B1 true FR2465026B1 (sv) 1983-08-19

Family

ID=20338805

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8019697A Granted FR2465026A1 (fr) 1979-09-12 1980-09-12 Procede pour reduire la teneur en resine pendant la preparation de pates de cellulose provenant de matieres lignocellulosiques et appareil pour sa mise en oeuvre

Country Status (11)

Country Link
JP (1) JPS5643496A (sv)
AT (1) AT374512B (sv)
AU (1) AU524841B2 (sv)
BR (1) BR8005524A (sv)
CA (1) CA1157209A (sv)
CH (1) CH651083A5 (sv)
DE (1) DE3034042C2 (sv)
FI (1) FI68680C (sv)
FR (1) FR2465026A1 (sv)
NO (1) NO155498C (sv)
SE (1) SE418628B (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4444621A (en) * 1980-11-21 1984-04-24 Mo Och Domsjo Aktiebolag Process and apparatus for the deresination and brightness improvement of cellulose pulp
SE8405128L (sv) * 1984-10-15 1986-04-16 Kamyr Ab Behandling av hogutbytesmassa
SE502321C2 (sv) * 1994-03-04 1995-10-02 Kvaerner Pulping Tech Förfarande vid ozonblekning av sulfitmassa
US5728265A (en) * 1995-06-12 1998-03-17 Henkel Corporation Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane
FI20105799A0 (sv) 2010-07-13 2010-07-13 Olli Joutsimo Förbättrad process för framställning av kemisk massa

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE84946C (sv) *
DE363666C (de) * 1918-01-23 1922-11-11 Carl G Schwalbe Dr Verfahren zur Entfernung von Harz, Fett, Wachs u. dgl. aus Pflanzenstoffen, insbesondere aus Holz und Holzzellstoffen
US2000562A (en) * 1933-07-06 1935-05-07 Patentaktiebolaget Grondal Ram Process of removing resin from sulphite cellulose
US2224159A (en) * 1937-09-27 1940-12-10 Rayonier Inc Process for purifying wood pulp

Also Published As

Publication number Publication date
NO155498B (no) 1986-12-29
FI68680B (fi) 1985-06-28
CA1157209A (en) 1983-11-22
FI68680C (fi) 1985-10-10
NO802658L (no) 1981-03-13
FR2465026A1 (fr) 1981-03-20
SE418628B (sv) 1981-06-15
CH651083A5 (en) 1985-08-30
AU6219580A (en) 1981-03-19
JPH0114357B2 (sv) 1989-03-10
DE3034042A1 (de) 1981-04-02
FI802742A (fi) 1981-03-13
JPS5643496A (en) 1981-04-22
AU524841B2 (en) 1982-10-07
SE7907557L (sv) 1981-03-13
ATA457680A (de) 1983-09-15
AT374512B (de) 1984-05-10
DE3034042C2 (de) 1985-08-22
NO155498C (no) 1994-11-21
BR8005524A (pt) 1981-03-17

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